Home / 220,243,244.52-330,294,145.68-72,657,631.92

Finding the Fourth Proportional to 220,243,244.52, 330,294,145.68 and 72,657,631.92

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Solution

The fourth proportional to 220,243,244.52, 330,294,145.68 and 72,657,631.92 is: 108,963,117.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,243,244.52 : 330,294,145.68 = 72,657,631.92 : x
  2. Step 2: Convert to fraction form
    220,243,244.52/330,294,145.68 = 72,657,631.92/x
  3. Step 3: Cross multiply
    220,243,244.52x = 330,294,145.68 × 72,657,631.92
  4. Step 4: Simplify right side
    220,243,244.52x = 23,998,390,462,148,300
  5. Step 5: Solve for x
    x = 23,998,390,462,148,300/220,243,244.52
  6. Step 6: Final answer
    x = 108,963,117.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.